S-8351A50MC-J3JT2G Datasheet, PDF (41/51 Pages) Seiko Instruments Inc – STEP-UP, BUILT-IN / EXTERNAL FET PFM CONTROL SWITCHING REGULATOR / SWITCHING REGULATOR CONTROLLER

STEP-UP, BUILT-IN / EXTERNAL FET PFM CONTROL SWITCHING REGULATOR / SWITCHING REGULATOR CONTROLLER
Rev.3.0_00
S-8351/8352 Series
Condition 11 S-8352A50MC
(a) Input voltage (V_IN) vs. Output voltage (V_OUT)
(Input voltage raising)
5.2
5.1
5.0
4.9
4.8
4.7
4.6
01
I_OUT = 0.1 mA
I_OUT = 1 mA
I_OUT = 10 mA
I_OUT = 50 mA
I_OUT = 100 mA
I_OUT = 150 mA
234 56
V_IN [V]
(c) Output current (I_OUT) vs.Output voltage (V_OUT)
5.2
5.1
5.0
4.9
4.8
4.7
4.6
0
V_IN = 1.5 V
V_IN = 2.0 V
V_IN = 3.0 V
V_IN = 4.0 V
50 100 150 200 250 300 350 400 450
I_OUT [mA]
Condition 12 S-8352A50MC
(a) Input voltage (V_IN) vs. Output voltage (V_OUT)
(Input voltage raising)
5.2
5.1
5.0
4.9
I_OUT = 0.1 mA
4.8
I_OUT = 1 mA
I_OUT = 10 mA
4.7
I_OUT = 50 mA
I_OUT = 100 mA
4.6
0 1 23 4 56
V_IN [V]
(c) Output current (I_OUT) vs.Output voltage (V_OUT)
5.2
5.1
5.0
4.9
4.8
4.7
4.6
0
V_IN=2.0 V
V_IN=3.0 V
V_IN=4.0 V
50 100 150 200 250 300 350 400 450
I_OUT [mA]
(b) Input voltage (V_IN) vs. Output voltage (V_OUT)
(Input voltage falling)
5.2
5.1
5.0
4.9
IOUT = 0.1 mA
IOUT = 1 mA
4.8
IOUT = 10 mA
IOUT = 50 mA
4.7
IOUT = 100 mA
4.6
IOUT = 150 mA
0 1 23 4 56
VIN [V]
(d) Output current (I_OUT) vs. Efficiency (η)
90
80
70
60
50
0.01 0.1
1
10
I_OUT [mA]
V_IN = 2.0 V
V_IN = 3.0 V
V_IN = 4.0 V
100 1000
(b) Input voltage (V_IN) vs. Output voltage (V_OUT)
(Input voltage falling)
5.2
5.1
5.0
4.9
I_OUT = 0.1 mA
4.8
I_OUT = 1 mA
I_OUT = 10 mA
4.7
I_OUT = 50 mA
I_OUT = 100 mA
4.6
01 2 34 56
V_IN [V]
(d) Output current (I_OUT) vs. Efficiency (η)
90
80
70
60
50
0.01 0.1
1
10
I_OUT [mA]
V_IN = 3.0 V
V_IN = 4.0 V
100 1000
Seiko Instruments Inc.
41